From 20d16947190d17f9ed8db983bee6cb7bd20722b5 Mon Sep 17 00:00:00 2001
From: Damien Miller <djm@mindrot.org>
Date: Sat, 5 Jul 2008 09:36:58 +1000
Subject:  - (djm) [atomicio.c configure.ac] Disable poll() fallback in
 atomiciov for    Tru64. readv doesn't seem to be a comparable object there.  
  bz#1386, patch from dtucker@ ok me

---
 atomicio.c | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'atomicio.c')

diff --git a/atomicio.c b/atomicio.c
index bb44c3230..a6b2d127a 100644
--- a/atomicio.c
+++ b/atomicio.c
@@ -97,8 +97,10 @@ atomiciov(ssize_t (*f) (int, const struct iovec *, int), int fd,
 	/* Make a copy of the iov array because we may modify it below */
 	memcpy(iov, _iov, iovcnt * sizeof(*_iov));
 
+#ifndef BROKEN_READV_COMPARISON
 	pfd.fd = fd;
 	pfd.events = f == readv ? POLLIN : POLLOUT;
+#endif
 	for (; iovcnt > 0 && iov[0].iov_len > 0;) {
 		res = (f) (fd, iov, iovcnt);
 		switch (res) {
@@ -106,7 +108,9 @@ atomiciov(ssize_t (*f) (int, const struct iovec *, int), int fd,
 			if (errno == EINTR)
 				continue;
 			if (errno == EAGAIN || errno == EWOULDBLOCK) {
+#ifndef BROKEN_READV_COMPARISON
 				(void)poll(&pfd, 1, -1);
+#endif
 				continue;
 			}
 			return 0;
-- 
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